超高频电容式型砂水分传感器的研制

Study of a Super high Frequency Capacitance Sensor for Instantaneous Moisture Measurement of Molding Sands

本文介绍了超高频电容式水分传感器的设计和工作原理。通过试验研究了它的测量精度与速度。结果表明，它是适用于型砂水分在线测量与控制的方便、快速而又准确的先进传感器。

Working principle and designing of a super high frequency capacitance sensor are introduced in this article. Measuring accuracy and measuring speed are analyzed. The measuring experiments show that it is a convenient and accurate sensor for the instantaneous moisture measurement of molding sands.